protected void UpdateQuantity(SaleItemViewModel item, int value)
{
var totalQuantity = TotalQuantity;
item.Quantity += value;
NotifyOfPropertyChange(() => CanCheckout);
NotifyOfPropertyChange(() => TotalQuantity);
NotifyOfPropertyChange(() => Total);
NotifyOfPropertyChange(() => TotalText);
if (totalQuantity == 0 && value > 0)
{
EventAggregator.Publish(new TransactionStarted {
Source = this
});
}
if (TotalQuantity == 0)
{
EventAggregator.Publish(new TransactionStopped {
Source = this
});
}
}
protected void UpdateQuantity(SaleItemViewModel item, int value)
{
var canComplete = CanComplete;
item.Quantity += value;
NotifyOfPropertyChange(() => CanComplete);
NotifyOfPropertyChange(() => TotalQuantity);
NotifyOfPropertyChange(() => Total);
NotifyOfPropertyChange(() => TotalText);
if (!canComplete && CanComplete)
{
EventAggregator.Publish(new TransactionStarted {
Source = this
});
}
if (canComplete && !CanComplete)
{
EventAggregator.Publish(new TransactionStopped {
Source = this
});
}
}
public void RemoveItem(SaleItemViewModel item)
{
UpdateQuantity(item, -1);
}
public void AddItem(SaleItemViewModel item)
{
UpdateQuantity(item, 1);
}
protected void UpdateQuantity(SaleItemViewModel item, int value)
{
var totalQuantity = TotalQuantity;
item.Quantity += value;
NotifyOfPropertyChange(() => CanCheckout);
NotifyOfPropertyChange(() => TotalQuantity);
NotifyOfPropertyChange(() => Total);
NotifyOfPropertyChange(() => TotalText);
if (totalQuantity == 0 && value > 0)
EventAggregator.Publish(new TransactionStarted { Source = this });
if (TotalQuantity == 0)
EventAggregator.Publish(new TransactionStopped { Source = this });
}
public void RemoveItem(SaleItemViewModel item)
{
UpdateQuantity(item, -1);
}
public void AddItem(SaleItemViewModel item)
{
UpdateQuantity(item, 1);
}
protected void UpdateQuantity(SaleItemViewModel item, int value)
{
var canComplete = CanComplete;
item.Quantity += value;
NotifyOfPropertyChange(() => CanComplete);
NotifyOfPropertyChange(() => TotalQuantity);
NotifyOfPropertyChange(() => Total);
NotifyOfPropertyChange(() => TotalText);
if (!canComplete && CanComplete)
EventAggregator.Publish(new TransactionStarted { Source = this });
if (canComplete && !CanComplete)
EventAggregator.Publish(new TransactionStopped { Source = this });
}